package com.zhss.data.refill.center.service;

/**
 * 账号金额service组件
 *
 * @author zhonghuashishan
 */
public interface AccountAmountService {

    /**
     * 转账
     *
     * @param fromUserAccountId 从谁那儿转账
     * @param toUserAccountId   转到谁那儿去
     * @param amount            转账金额
     */
    void transfer(Long fromUserAccountId,
                  Long toUserAccountId, Double amount);

}
